小编Tor*_*den的帖子

t.references和之间有什么区别t.belongs_to？为什么我们有这两个不同的词？在我看来他们做同样的事情？试过一些谷歌搜索,但没有找到解释.

class CreateFoos < ActiveRecord::Migration
  def change
    create_table :foos do |t|
      t.references :bar
      t.belongs_to :baz
      # The two above seems to give similar results
      t.belongs_to :fooable, :polymorphic => true
      # I have not tried polymorphic with t.references
      t.timestamps
    end
  end
end